<template>
  <div>
    <!-- <span v-for="(item, index) in list" :key="index">
      <input type="checkbox" v-model="arr[index]" />{{ item }}
    </span>
    <ul>
      <li v-for="(item, index) in list" :key="index" v-show="arr[index]">
        {{ item }}
      </li>
    </ul> -->
     <span v-for="(item, index) in list" :key="index">
      <input :id="item" type="checkbox" :value="item" v-model="arr" /><label :for="item">{{ item }}</label>
    </span>
    <ul>
      <li v-for="(item, index) in arr" :key="index" >
        {{ item }}
      </li>
    </ul>
  </div>
</template>

<script>
export default {
  data() {
    return {
      list: ["科幻", "喜剧", "动漫", "冒险", "科技", "军事", "娱乐", "奇闻"],
      arr: [],
    };
  },
  methods: {
    fn(ind) {
      console.log(a);
    },
  },
};
</script>

<style></style>
